Small data transmission with non-orthogonal multiple access
AssigneeConvida Wireless, LLC
InventorsAllan Y. TSAI, Qing LI, Guodong ZHANG, Yifan LI, Lakshmi R. IYER, Pascal M. ADJAKPLE, Mohamed AWADIN, Joseph M. MURRAY
Life of this patent
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Abstract
Non-Orthogonal Multiple Access (NOMA) transmissions are described herein in which sequence collision is mitigated or eliminated by exploiting the randomness nature of user specific reference bits and data bits. Further, methods, systems, and devices that use NOMA for small data transmissions are disclosed.
Claims15
An apparatus comprising a processor and a memory, the apparatus further including computer-executable instructions stored in the memory of the apparatus which, when executed by the processor of the apparatus, cause the apparatus to:
- configure contention-based radio resources for a physical uplink shared channel (PUSCH) so as to define a configured grant PUSCH;
- broadcast information to a user equipment (UE) so as to configure the configured grant PUSCH for the UE;
- and
- receive small data transmitted from the UE via the configured grant PUSCH.
An apparatus comprising a processor and a memory, the apparatus further including computer-executable instructions stored in the memory of the apparatus which, when executed by the processor of the apparatus, cause the apparatus to:
- receive broadcast information that indicates contention-based radio resources for a physical uplink shared channel (PUSCH) so as to define a configured grant PUSCH;
- and
- based on the broadcast information, transmit small data via the configured grant PUSCH while remaining in an RRC-IDLE state or an RRC-INACTIVE state.
An apparatus comprising a processor and a memory, the apparatus further including computer-executable instructions stored in the memory of the apparatus which, when executed by the processor of the apparatus, cause the apparatus to:
- generate a plurality of reference bits based on an identity specific to the apparatus, and a multiple access identity;
- encode the plurality of reference bits with a plurality of information bits;
- use the encoded reference bits to generate a preamble or a demodulation reference signal;
- and
- transmit a message using a time and frequency resource that is based on the preamble or demodulation reference signal.
Dependencies are inferred from the claim text.